Semiconductive electron source
United States Patent 2960659
US Patent References:
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- - 2735049


Inventors:
Burton, Joseph A.
Publication Date:
11/15/1960
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
330/65
Other Classes:
313/346R, 313/305, 313/103R, 257/10, 327/579, 327/574
International Classes:
B21D28/24; H01J1/308; H01J1/30